Kramer VP-423 User manual

Kramer Electronics, Ltd.
USER MANUAL
Model:
VP-423
PC Video-Wall Scaler

Contents
i
Contents
1Introduction 1
2Getting Started 1
2.1 Quick Start 1
3Overview 3
4Your VP-423 PC Video-Wall Scaler 4
5Connecting the VP-423 PC Video-Wall Scaler 5
6Operating the VP-423 PC Video-Wall Scaler 6
6.1 Using the Front Panel Buttons 6
6.2 Using the OSD 7
6.2.1 Using the Front Panel Buttons 7
6.2.2 The MAIN MENU 8
6.2.3 The WALL ARRANGEMENT Submenu 8
6.3 The COLOR Submenu 10
6.4 The FINETUNE Submenu 10
7Setting the Wall Arrangement 10
8Technical Specifications 12
Figures
Figure 1: VP-423 PC Video-Wall Scaler – Front and Rear View 4
Figure 2: Connecting the VP-423 PC Video-Wall Scaler 6
Figure 3: Setting the X and Y Position in a 4x4 Wall Arrangement Matrix 9
Figure 4: Setting the Position of Each Display 11
Tables
Table 1: VP-423 PC Video-Wall Scaler Features 4
Table 2: The Main Menu Parameters and Functions 8
Table 3: The WALL ARRANGEMENT Menu Parameters and Functions 8
Table 4: Available Output Resolutions 9
Table 5: The COLOR Menu – Available Adjustments 10
Table 6: The FINETUNE Submenu 10
Table 7: Technical Specifications of the VP-423 PC Video-Wall Scaler 12

Introduction
1
1
1 Introduction
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been
providing a world of unique, creative, and affordable solutions to the vast
range of problems that confront the video, audio, presentation, and
broadcasting professional on a daily basis. In recent years, we have
redesigned and upgraded most of our line, making the best even better! Our
1,000-plus different models now appear in 11 groups1
Thank you for purchasing your Kramer MegaTOOLS® VP-423 PC Video-
Wall Scaler. This product is ideal for:
that are clearly defined
by function.
•Projection systems in conference rooms, boardrooms, hotels and
churches
•Video wall scaling
The package includes the following items:
•VP-423 PC Video-Wall Scaler
•Power adapter (5V DC input)
•This user manual2
2 Getting Started
We recommend that you:
•Unpack the equipment carefully and save the original box and
packaging materials for possible future shipment
•Review the contents of this user manual
•Use Kramer high-performance high-resolution cables3
2.1 Quick Start
This quick start chart summarizes the basic setup and operation steps.
1 GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems;
GROUP 4: Format/Standards Converters; GROUP 5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products;
GROUP 7: Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity;
GROUP 10: Accessories and Rack Adapters; GROUP 11: Sierra Products
2 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com
3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Getting Started
2

Overview
3
3
3 Overview
The Kramer VP-423 PC Video-Wall Scaler is a high-performance digital scaler
for computer video graphics. It lets you display the output over multiple computer
displays or television sets that are tiled together to form one very large display.
The VP-423 supports the following output resolutions: 640x480 60Hz
(VGA), 800x600 60Hz (SVGA), 1024x768 60Hz (XGA), 1280x768 60Hz,
1280x800 60Hz (WXGA), 1280x1024 60Hz (SXGA), 1440x900 60Hz
(WXGA+), 1400x1050 60Hz (SXGA+), 1680x1050 60Hz (WSXGA),
1600x1200 60Hz (UXGA), 1920x1200 60Hz (WUXGA), 1280x720 60Hz,
1920x1080 60Hz, 1280x720 50Hz and 1920x1080 50Hz.
The VP-423 PC Video-Wall Scaler features:
•A PC loop for chaining the PC input to the next VP-423 unit
•An On-Screen Display (OSD) for easy setup and adjustment, as well as
definition of the location of the output on the video-wall, accessible via
the front-panel buttons
•A built-in ProcAmp for convenient signal adjustment
•A non-volatile memory that retains the last settings used
•Quick auto-adjust (via the OSD)
•Operation directly via the front panel push buttons and the on-screen
display (OSD)
The machine is fed from an external 5V DC source, making it suitable for
field operation.
To achieve the best performance:
•Use only good quality connection cables1
•Avoid interference from neighboring electrical appliances that may
adversely influence signal quality and position your Kramer VP-423
away from moisture, excessive sunlight and dust
to avoid interference,
deterioration in signal quality due to poor matching, and elevated
noise levels (often associated with low quality cables)
Caution – No operator-serviceable parts inside unit.
Warning – Use only the Kramer Electronics input power
wall adapter that is provided with this unit2
.
Warning – Disconnect power and unplug unit from wall
before installing or removing device or servicing unit.
1 Available from Kramer Electronics on our Web site at http://www.kramerelectronics.com
2 For example, part number 2535-052002

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Your VP-423 PC Video-Wall Scaler
4
4 Your VP-423 PC Video-Wall Scaler
Figure 1 and Table 1 define the VP-423 PC Video-Wall Scaler:
Figure 1: VP-423 PC Video-Wall Scaler – Front and Rear View
Table 1: VP-423 PC Video-Wall Scaler Features
#
Feature
Function
1 PC OUTPUT 15-pin HD connector Connect to a wall display
2 PC LOOP 15-pin HD connector Connect to the PC INPUT of the next VP-423 unit
3 TERM Button Press to 75Ω TERM (when the PC LOOP connector is not used); release
to Hi-Z (when an additional unit is connected to the PC LOOP connector)
4 PC INPUT 15-pin HD connector Connect to a computer graphics source
5 5V DC +5V DC connector for powering the unit
6 ON LED Lights when the unit is powered on
7 MENU Button Press to view the on-screen display (OSD) menu
8 ENTER Button In the OSD, press to choose the highlighted menu item.
Press together with the + button to reset to XGA
9 –Button In the OSD, press to move backward through the list or to decrement the
parameter value
10 + Button In the OSD, press to move forward through the list or to increment the
parameter value. Press together with the ENTER button to reset to XGA

Connecting the VP-423 PC Video-Wall Scaler
5
5
5 Connecting the VP-423 PC Video-Wall Scaler
The example in Figure 2 shows a video wall composed of four screens
arranged in a 2x2 matrix. Each screen is connected to a VP-423 unit. The four
VP-423 units are looped and then set via the OSD of each unit (see Section 7).
To connect a VP-423 2x2 video wall1Figure 2, as illustrated in the example in ,
do the following:
1. On the first unit:
Connect a computer graphics source to the PC INPUT 15-pin HD
connector on the first VP-423 (unit 1)
Connect the PC OUTPUT 15-pin HD connector to a display
Release the TERM button to the Hi-Z position
Connect the PC LOOP 15-pin HD connector to the PC INPUT 15-pin
HD connector of the next VP-423 unit (unit 2)
2. On the second unit:
Connect the PC OUTPUT 15-pin HD connector to a display
Release the TERM button to the Hi-Z position
Connect the PC LOOP 15-pin HD connector to the PC INPUT 15-pin
HD connector of the next VP-423 unit (unit 3)
3. On the third unit:
Connect the PC OUTPUT 15-pin HD connector to a display
Release the TERM button to the Hi-Z position
Connect the PC LOOP 15-pin HD connector to the PC INPUT 15-pin
HD connector of the next VP-423 unit (unit 4)
4. On the fourth unit:
Connect the PC OUTPUT 15-pin HD connector to a display
Press the TERM button to the 75Ωposition
5. On all the VP-423 units, connect the 5V DC power adapter to the power
socket and connect the adapter to the mains electricity (not shown in
Figure 2).
1 You can tile a video wall of up to 4x4 displays

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Operating the VP-423 PC Video-Wall Scaler
6
Figure 2: Connecting the VP-423 PC Video-Wall Scaler
6 Operating the VP-423 PC Video-Wall Scaler
The VP-423 is operated directly via the front panel buttons (see Section 6.1)
and via the OSD menu (see Section 6.2).
6.1 Using the Front Panel Buttons
During normal operation (no OSD is shown), pressing the front panel:
•MENU button will open the on-screen display (OSD) main menu (see
Section 6.2), the next press closes the OSD
•+ and ENTER buttons together will reset the display to XGA

Operating the VP-423 PC Video-Wall Scaler
7
7
6.2 Using the OSD
You can use the OSD to set the wall arrangement as well as set a wide variety
of parameters. When the MENU button is pressed, the main menu opens
allowing access to all the device settings (see Table 2).
When setting WALL ARRANGEMENT, COLOR and FINETUNE, a
submenu opens with the applicable parameters.
6.2.1 Using the Front Panel Buttons
When the OSD appears, the front panel buttons perform the following
functions:
•Pressing + and – move forward and backward through the menu items, or
increment and decrement the parameter values
•Pressing ENTER selects and activates a menu item or accepts the
parameter value set
•Pressing MENU closes the OSD menu1
As an example of how to set the parameters, such as to increase the contrast
on the display:
1. From normal operation, press MENU.
The OSD main menu appears on the screen.
2. Press the + and/or – button to navigate until the COLOR submenu is
highlighted
3. Press ENTER
4. Press the + or – button to highlight the CONTRAST Submenu.
5. Press ENTER.
6. Press the + button to increase the value (increase the contrast) or
the – button to decrease the value (decrease the contrast).
The value ranges from 0 to 255.
7. Press ENTER to set the value.
8. To return to normal operation, highlight EXIT and press ENTER, press
MENU, or wait until the menu times-out.
1 The menu times out by default after 10 seconds

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Operating the VP-423 PC Video-Wall Scaler
8
6.2.2 The MAIN MENU
Table 2 defines the main menu parameters and functions:
Table 2: The Main Menu Parameters and Functions
Parameter
Function
WALL ARRANGEMENT Sets the wall arrangement
COLOR Adjusts the color, brightness and contrast settings of the display
FINETUNE Fine tunes the position of the display and the timing parameters
FACTORY RESET Resets the device to its factory default parameters
INFORMATION Displays the source, input and output resolutions and the software version
EXIT Select to exit the OSD
6.2.3 The WALL ARRANGEMENT Submenu
The WALL ARRANGEMENT menu defines the wall arrangement setup, as
defined in Table 3:
Table 3: The WALL ARRANGEMENT Menu Parameters and Functions
Parameter Function Range Default
DISP. WIDTH Set the number of screens comprising the width
of the wall display 1 to 4 1
DISP. HEIGHT Set the number of screens comprising the
height of the wall display 1 to 4 1
DISP. POS X Set the X position of the display in the matrix 1 to 4 1
DISP. POS Y Set the Y position of the display in the matrix 1 to 4 1
LEFT FINETUNE Move the picture on the screen to the left 0 to 255 0
RIGHT FINETUNE Move the picture on the screen to the right 0 to 255 0
TOP FINETUNE Move the picture on the screen up 0 to 255 0
BOTTOM FINETUNE Move the picture on the screen down 0 to 255 0
OUTPUT Sets the output resolution (see Table 4)
EXIT Select to exit the OSD